CVE-2021-3623

medium

Description

A flaw was found in libtpms. The flaw can be triggered by specially-crafted TPM 2 command packets containing illegal values and may lead to an out-of-bounds access when the volatile state of the TPM 2 is marshalled/written or unmarshalled/read. The highest threat from this vulnerability is to system availability.

References

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Z7KZSYMTE7Z4BBEZUWO2DIMQDWMGEP46/

https://github.com/stefanberger/libtpms/pull/223

https://github.com/stefanberger/libtpms/commit/7981d9a

https://github.com/stefanberger/libtpms/commit/2f30d62

https://github.com/stefanberger/libtpms/commit/2e6173c

https://bugzilla.redhat.com/show_bug.cgi?id=1976806

Details

Source: Mitre, NVD

Published: 2022-03-02

Updated: 2023-11-07

Risk Information

CVSS v2

Base Score: 3.6

Vector: CVSS2#AV:L/AC:L/Au:N/C:P/I:N/A:P

Severity: Low

CVSS v3

Base Score: 6.1

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:H

Severity: Medium